Transcript for New Hampshire Patients Monitored for Fatal Brain Disease

And anti health scare in New Hampshire a patient has died after contacting. A rare and always fatal brain disease officials say others may be at risk Heather -- of our Manchester station has this report. It's a rare incurable brain disease after two decades of practice and internal medicine -- never come across this disease. Doctors at Catholic medical center believe one patient -- -- sporadic Creutzfeldt to -- of disease when they had brain surgery. The disease also known as CJD is a degenerative neurological disease which causes dementia and death. That patient has since died in tests are underway to determine if they definitely had CJD. The protein that spreads the disease cannot be eliminated by standard sterilization techniques used in hospitals. But -- is that very remote chance because of that that this is. The disease can be transmitted via surgical instruments. Though the chances are low CMC has contacted. There is no risk to any other patients their families -- the general public. The hospital says that a single piece of equipment used in the neural surgery. Was loaned to the hospital it was then -- outside of New Hampshire and -- other surgeries not involving granite staters. Possible exposure open -- more -- five patience. For the time being brain surgeries have stopped to -- MC and the equipment used has been quarantined.

This transcript has been automatically generated and may not be 100% accurate.

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